diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 18988afe39c3..bd70b9bc7b34 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,10 +3,8 @@ Changelog
 
 .. _v39-0-0:
 
-39.0.0 - `main`_
-~~~~~~~~~~~~~~~~
-
-.. note:: This version is not yet released and is under active development.
+39.0.0 - 2023-01-01
+~~~~~~~~~~~~~~~~~~~
 
 * **BACKWARDS INCOMPATIBLE:** Support for OpenSSL 1.1.0 has been removed.
   Users on older version of OpenSSL will need to upgrade.
diff --git a/src/cryptography/__about__.py b/src/cryptography/__about__.py
index 7adbc40005ef..83439a962dd3 100644
--- a/src/cryptography/__about__.py
+++ b/src/cryptography/__about__.py
@@ -9,7 +9,7 @@
     "__copyright__",
 ]
 
-__version__ = "39.0.0.dev1"
+__version__ = "39.0.0"
 
 __author__ = "The Python Cryptographic Authority and individual contributors"
 __copyright__ = "Copyright 2013-2022 {}".format(__author__)
diff --git a/vectors/cryptography_vectors/__about__.py b/vectors/cryptography_vectors/__about__.py
index 95eb6b9919a8..9b607dd65f03 100644
--- a/vectors/cryptography_vectors/__about__.py
+++ b/vectors/cryptography_vectors/__about__.py
@@ -6,4 +6,4 @@
     "__version__",
 ]
 
-__version__ = "39.0.0.dev1"
+__version__ = "39.0.0"